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Application filed by G M B H HeskfiledCriticalG M B H Hesk
Publication of CH58241ApublicationCriticalpatent/CH58241A/de
CH58241A1911-04-081911-04-08Einrichtung zur zwangsläufigen Führung des Tonarmes von Sprechmaschinen mittelst einer an diesem angeordneten Zahnstange
CH58241A
(de)